What is a normal mass air flow sensor voltage reading?
Output signal of MAF, made by BOSCH is a variable voltage in the range 1 – 5V, whose value depends on the mass of air flow through the sensor. At zero air flow (engine stopped) the sensor output voltage should be equal to 0.98V – 1.02V. Otherwise, the sensor is considered damaged.
What does the MAF control?
A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine.
What are the problems for a mass air sensor?
Mass Air flow Sensor Problems and symptoms The Engine Runs Lean or Rich. If the “mass air flow sensor” is always giving wrong information to the car’s computer, then the engine of the car may run Turning over is difficult. When the “mass air flow sensor” is faulty, it can be hard to turn over the engine. Stalling the car. Engine Drags.
What are the symptoms of a bad Mas sensor?
Signs of a bad MAF sensor may mimic problems such as low vacuum, low compression, or low fuel pressure due to a bad fuel pump. The most common symptoms of a malfunctioning MAS sensor include: • The engine is hard to start or has trouble turning over. • The engine stalls soon after starting.
How often do I need to clean mass air flow sensor?
Generally, you’ll want to clean your mass airflow sensor either every six months, or every time you change your oil. Cleaning it when you change or clean your air filter will be a good way to save both time and money. To clean your mass airflow sensor, first, you must take it out.
How much does mass air flow sensor replacement cost?
Replacement Cost. The replacement cost of a mass air flow sensor is anywhere from $225 to $370. The cost of the part alone is about $200 to $300 while the labor cost is around $25 to $70.